131465913 has 8 divisors (see below), whose sum is σ = 185599008. Its totient is φ = 82488384.

The previous prime is 131465849. The next prime is 131465927. The reversal of 131465913 is 319564131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131465913 - 2⁶ = 131465849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131465963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288831 + ... + 1288932.

It is an arithmetic number, because the mean of its divisors is an integer number (23199876).

Almost surely, 2^131465913 is an apocalyptic number.

It is an amenable number.

131465913 is a deficient number, since it is larger than the sum of its proper divisors (54133095).

131465913 is a wasteful number, since it uses less digits than its factorization.

131465913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577783.

The product of its digits is 9720, while the sum is 33.

The square root of 131465913 is about 11465.8585810222. The cubic root of 131465913 is about 508.4766964508.

The spelling of 131465913 in words is "one hundred thirty-one million, four hundred sixty-five thousand, nine hundred thirteen".